hardening the travis bash validation command and fixing the thereby found syntax errors

Author: Sebastian Bader

.travis.yml

@@ -1,10 +1,26 @@
-language: bash
-
-addons:
-  apt:
-    packages:
-    - raptor2-utils
-script:
-- echo "Starting build!"
-- find -type f  -name "*.ttl" | xargs -n1 rapper -q -i turtle > /dev/null
-- echo "Finished build."
+language: bash
+
+addons:
+  apt:
+    packages:
+    - raptor2-utils
+script:
+- echo "Starting build!"
+- find -type f -name "*.ttl" -not -path "./.git/*" | sed 's/.*/"&"/' | xargs -n1 rapper -q -i turtle > /dev/null
+- echo "Finished build."
+
+# What's going on?
+
+# find -type f -name "*.ttl" -not -path "./.git/*":
+# Give me all Turtle files except the ones in the .git folder
+
+# sed 's/.*/"&"/'
+# Surround the file names with quotation marks (we have spaces in some paths...)
+
+# xargs -n1 rapper -q -i turtle
+# Let rapper parse each file in silent mode 
+
+# > /dev/null
+# I am not interested in stdout, only stderr
+
+# contact: Sebastian Bader (2019)

docs/provenance/provenance-en.ttl

@@ -3,11 +3,11 @@
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
 <https://w3id.org/idsa/core> a prov:Entity;
 	 dc:title "Industrial Data Space Information Model";
-	 prov:wasAttributedTo :agent0;
-	 prov:wasAttributedTo :agent1;
+	 prov:wasAttributedTo _:agent0;
+	 prov:wasAttributedTo _:agent1;
 	 prov:wasAttributedTo <https://github.com/dgarijo/Widoco/>,<http://www.essepuntato.it/lode/>;
 	 prov:specializationOf <https://w3id.org/idsa/core>;
 	 prov:wasGeneratedAt "2019-08-07";
 .
-:agent0 a prov:Agent; foaf:name "Christian Mader<sup>1</sup>, Jaroslav Pullmann<sup>2</sup>, Niklas Petersen<sup>1</sup>, Steffen Lohmann<sup>1</sup>, Christoph Lange-Bever<sup>2</sup>".
-:agent1 a prov:Agent; foaf:name "Christian Mader<sup>1</sup>, Jaroslav Pullmann<sup>2</sup>, Niklas Petersen<sup>1</sup>, Steffen Lohmann<sup>1</sup>, Christoph Lange-Bever<sup>2</sup> Anna Kasprzik<sup>3</sup>, Andreas Müller<sup>4</sup>, Eva Corsi<sup>5</sup>, Sandra Geisler<sup>2</sup>, Michael Theß<sup>6</sup>".
+_:agent0 a prov:Agent; foaf:name "Christian Mader<sup>1</sup>, Jaroslav Pullmann<sup>2</sup>, Niklas Petersen<sup>1</sup>, Steffen Lohmann<sup>1</sup>, Christoph Lange-Bever<sup>2</sup>".
+_:agent1 a prov:Agent; foaf:name "Christian Mader<sup>1</sup>, Jaroslav Pullmann<sup>2</sup>, Niklas Petersen<sup>1</sup>, Steffen Lohmann<sup>1</sup>, Christoph Lange-Bever<sup>2</sup> Anna Kasprzik<sup>3</sup>, Andreas Müller<sup>4</sup>, Eva Corsi<sup>5</sup>, Sandra Geisler<sup>2</sup>, Michael Theß<sup>6</sup>".

testing/contract/ContractShape.ttl

@@ -43,15 +43,15 @@ shapes:ContractShape
 		sh:path ids:contractStart ;
 		sh:datatype xsd:dateTime ;
 		sh:severity sh:Violation ;
-		sh:message "<https://raw.githubusercontent.com/IndustrialDataSpace/InformationModel/master/testing/contract/ContractShape.ttl> (ContractShape): An ids:contractStart property must point from an ids:Contract to an xsd:sh:message "<https://raw.githubusercontent.com/IndustrialDataSpace/InformationModel/master/testing/contract/contract/."@en ; 
+		sh:message "<https://raw.githubusercontent.com/IndustrialDataSpace/InformationModel/master/testing/contract/ContractShape.ttl> (ContractShape): An ids:contractStart property must point from an ids:Contract to an xsd:sh:message."@en ; 
 	] ;
 
 	sh:property [
 		a sh:PropertyShape ;
 		sh:path ids:contractEnd ;
 		sh:datatype xsd:dateTime ;
 		sh:severity sh:Violation ;
-		sh:message "<https://raw.githubusercontent.com/IndustrialDataSpace/InformationModel/master/testing/contract/ContractShape.ttl> (ContractShape): An ids:contractEnd property must point from an ids:Contract to an xsd:sh:message "<https://raw.githubusercontent.com/IndustrialDataSpace/InformationModel/master/testing/contract/contract/."@en ; 
+		sh:message "<https://raw.githubusercontent.com/IndustrialDataSpace/InformationModel/master/testing/contract/ContractShape.ttl> (ContractShape): An ids:contractEnd property must point from an ids:Contract to an xsd:sh:message."@en ; 
 	] ;
 
 	sh:property [